54838640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8677}}^1$

素因数の和:8769

約数の個数: 40

約数和(自身を含む): 129128640

約数和(自身を除く): 74290000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8677, 17354, 34708, 43385, 69416, 86770, 138832, 173540, 347080, 685483, 694160, 1370966, 2741932, 3427415, 5483864, 6854830, 10967728, 13709660, 27419320, 54838640]

約数ペア:

[(1, 54838640), (2, 27419320), (4, 13709660), (5, 10967728), (8, 6854830), (10, 5483864), (16, 3427415), (20, 2741932), (40, 1370966), (79, 694160), (80, 685483), (158, 347080), (316, 173540), (395, 138832), (632, 86770), (790, 69416), (1264, 43385), (1580, 34708), (3160, 17354), (6320, 8677)]